Djembe: where to buy one and learn how to play it? (Dakar)

Hi all!Fairly new to Dakar (August Protected content , I am looking to purchase a djembe and want to learn how to play one. Have visited the Artisinal Market and am in contact with a potential teacher, but if anyone has any suggestions? Quality of djembe, negotiation on price, where to buy one, where to find a group to play with, teacher to learn from: all welcome!